MAC TOOLS NATIONAL COARSE THREAD RESTORING FILE #TR2. 9, 10,12,16, 20, 27, 28 AND 32 TPI.
Mac Tools ReThreader Dies National Fine & Course Thread USA ????????
Hand Tap, 1-1/4"-7 National Coarse Thread Size, Taper Style, Carbon Steel Alfa
Century Drill and Tool 95005 Tap-Plug Carbon Steel 8-32 National Coarse
Century Drill and Tool 95104 Tap-Plug Carbon Steel 1/4-28 National Coarse
Century Drill and Tool 96103 Fractional Die 8-32 National Coarse
Century Drill and Tool 95006 Tap-Plug Carbon Steel 10-24 National Coarse